    * {
      -webkit-touch-callout: none;
      /*系统默认菜单被禁用*/
      -webkit-user-select: none;
      /*webkit浏览器*/
      -khtml-user-select: none;
      /*早期浏览器*/
      -moz-user-select: none;
      /*火狐*/
      -ms-user-select: none;
      /*IE10*/
      user-select: none;
    }

    /* 清除内外边距 */

    body,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    hr,
    p,
    blockquote,
    /* structural elements 结构元素 */

    dl,
    dt,
    dd,
    ul,
    ol,
    li,
    /* list elements 列表元素 */

    pre,
    /* text formatting elements 文本格式元素 */

    fieldset,
    lengend,
    button,
    input,
    textarea,
    /* form elements 表单元素 */

    th,
    td {
      /* table elements 表格元素 */
      margin: 0;
      padding: 0;
    }

    /* 设置默认字体 */

    body,
    button,
    input,
    select,
    textarea {
      /* for ie */
      /*font: 12px/1 Tahoma, Helvetica, Arial, "宋体", sans-serif;*/
      font: 12px/1 Tahoma, Helvetica, Arial, "\5b8b\4f53", sans-serif;
      /* 用 ascii 字符表示，使得在任何编码下都无问题 */
    }

    h1 {
      font-size: 18px;
      /* 18px / 12px = 1.5 */
    }

    h2 {
      font-size: 16px;
    }

    h3 {
      font-size: 14px;
    }

    h4,
    h5,
    h6 {
      font-size: 100%;
    }

    address,
    cite,
    dfn,
    em,
    var {
      font-style: normal;
    }

    /* 将斜体扶正 */

    code,
    kbd,
    pre,
    samp,
    tt {
      font-family: "Courier New", Courier, monospace;
    }

    /* 统一等宽字体 */

    small {
      font-size: 12px;
    }

    /* 小于 12px 的中文很难阅读，让 small 正常化 */
    /* 重置列表元素 */

    ul,
    ol {
      list-style: none;
    }

    /* 重置文本格式元素 */

    a {
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    abbr[title],
    acronym[title] {
      /* 注：1.ie6 不支持 abbr; 2.这里用了属性选择符，ie6 下无效果 */
      border-bottom: 1px dotted;
      cursor: help;
    }

    q:before,
    q:after {
      content: '';
    }

    /* 重置表单元素 */

    legend {
      color: #000;
    }

    /* for ie6 */

    fieldset,
    img {
      border: none;
    }

    /* img 搭车：让链接里的 img 无边框 */
    /* 注：optgroup 无法扶正 */

    button,
    input,
    select,
    textarea {
      font-size: 100%;
      /* 使得表单元素在 ie 下能继承字体大小 */
    }

    /* 重置表格元素 */

    table {
      border-collapse: collapse;
      border-spacing: 0;
    }

    /* 重置 hr */

    hr {
      border: none;
      height: 1px;
    }

    input {
      outline-color: invert;
      outline-style: none;
      outline-width: 0px;
      border: none;
      border-style: none;
      text-shadow: none;
      -webkit-appearance: none;
      -webkit-user-select: text;
      outline-color: transparent;
      box-shadow: none;
    }

    a {
      text-decoration: none;
      color: inherit;
      -webkit-user-select: none;
      -moz-user-select: none;
      user-select: none;
      -webkit-appearance: none;
      -webkit-text-size-adjust: none;
      -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
      -webkit-touch-callout: none;
      border-bottom: none;
      display: block;
      width: 100%;
      height: 0;
    }

    /* 定义 vant 遮罩层样式 */
    .van-popup {
      background-color: transparent !important;
    }

    /* 定义 vant toast 弹窗样式 */
    .van-toast {
      background-color: rgba(0, 0, 0, .6) !important;
    }

    .xmToast {
      z-index: 9999 !important;
      width: max-content !important;
      max-width: 246px !important;
      --van-toast-font-size: 14px;
      --van-toast-text-padding: 12px 30px;
      border-radius: 8px !important;
    }

    .xmToast .van-toast__text {
      --van-toast-font-size: 14px;
    }

    /* 定义 vant loading 弹窗样式 */
    .xmloading {
      --van-toast-default-width: 70px;
      --van-toast-default-min-height: 60px;
      --van-padding-xs: 2px;
      --van-toast-font-size: 12px;
    }

    img {
      width: 100%;
      height: auto;
      display: block;
    }

    body {
      font-family: HanHei SC, PingFang SC, Helvetica Neue, Helvetica, sans-serif;
      /* PingFangSC-Semibold, PingFang SC */
      /* HanHei SC,PingFang SC,Helvetica Neue,Helvetica,sans-serif */
      /* -apple-system,BlinkMacSystemFont,'Helvetica Neue',Helvetica,Segoe UI,Arial,Roboto,'PingFang SC',miui,'Hiragino Sans GB','Microsoft Yahei',sans-serif */
    }

    .noHaveX::-webkit-scrollbar {
      display: none;
      /* Chrome Safari */
    }

    /* 公用样式 */

    .pos_rel {
      position: relative;
    }

    .dis_flex {
      display: flex;
    }

    .aItem {
      align-items: center;
    }

    .sBetween {
      justify-content: space-between;
    }

    .sCenter {
      justify-content: center;
    }

    .ml12 {
      margin-left: 12px;
    }

    .ml4 {
      margin-left: 4px;
    }

    .mr48 {
      margin-right: 48px;
    }

    .mb30 {
      margin-bottom: 30px;
    }

    .f_size_14 {
      font-size: 14px;
    }

    .zIndex1 {
      z-index: 1;
    }

    .zIndex2 {
      z-index: 2;
    }

    .opacity5 {
      opacity: 0.5;
    }